//
//  ResourceDownloader.m
//  ProjectDemo
//
//  Created by IOS3 on 2019/1/25.
//  Copyright © 2019 IOS3. All rights reserved.
//

#import "ResourceDownloader.h"

@implementation ResourceDownloader


+ (instancetype)sharedInstance {
    static ResourceDownloader *instance = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
        instance = [[[self class] alloc] init];
    });
    return instance;
}

@end
